package com.king.springcloud.dao;

import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;

import java.math.BigDecimal;

/**
 * @author king
 * @date 2020/10/20 19:27
 */
@Mapper
public interface AccountDao {

    void decrease(@Param("userId") Long userId, @Param("money") Integer money);
}
